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  <div class="headertitle"><div class="title">iterator.hpp</div></div>
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<a href="iterator_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*!</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * \brief       Iterators for elementwise vector expression evaluation</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * </span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * \author      O. Krause</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * \date        2013</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> *</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> * \par Copyright 1995-2015 Shark Development Team</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> * </span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * &lt;BR&gt;&lt;HR&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * This file is part of Shark.</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * &lt;http://image.diku.dk/shark/&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * </span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * Shark is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * it under the terms of the GNU Lesser General Public License as published </span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * by the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> * </span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * Shark is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * GNU Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * </span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> * along with Shark.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> *</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"> */</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">#ifndef REMORA_DETAIL_ITERATOR_HPP</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#define REMORA_DETAIL_ITERATOR_HPP</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#include &lt;iterator&gt;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="preprocessor">#include &lt;type_traits&gt;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &lt;limits&gt;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#include &lt;cstdlib&gt;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#include &quot;../detail/check.hpp&quot;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="keyword">namespace </span>remora{ <span class="keyword">namespace </span>iterators{</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment">// Iterator tags -- hierarchical definition of storage characteristics</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="keyword">struct </span>sparse_random_access_iterator_tag: <span class="keyword">public</span> std::random_access_iterator_tag{};</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="keyword">struct </span>packed_random_access_iterator_tag: <span class="keyword">public</span> std::random_access_iterator_tag{};</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="keyword">struct </span>dense_random_access_iterator_tag: <span class="keyword">public</span> packed_random_access_iterator_tag{};</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"></span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment">/** \brief Base class of all random access iterators.</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> *</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> * \param I the derived iterator type</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> * \param T the value type</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment"> * \param Tag the iterator tag - must be dense/packed_random_access_iterator_tag</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"> *</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment"> * The random access iterator can proceed in both directions</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment"> * via the post increment/decrement operator or in larger steps</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment"> * via the +, - and +=, -= operators. The random access iterator</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment"> * is LessThanComparable.</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment"> */</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> I, <span class="keyword">class</span> T, <span class="keyword">class</span> Tag&gt;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="keyword">struct </span>random_access_iterator_base</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>:<span class="keyword">public</span> std::iterator&lt;Tag, T&gt; {</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>    <span class="keyword">typedef</span> I derived_iterator_type;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>    <span class="keyword">typedef</span> T derived_value_type;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>    <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>    <span class="keyword">friend</span> I operator + (random_access_iterator_base <span class="keyword">const</span>&amp; it, difference_type n) {</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>        I tmp(<span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I&amp;<span class="keyword">&gt;</span>(it));</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>        <span class="keywordflow">return</span> tmp += n;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>    }</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>    <span class="keyword">friend</span> I operator - (random_access_iterator_base <span class="keyword">const</span>&amp; it, difference_type n) {</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>        I tmp(<span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I&amp;<span class="keyword">&gt;</span>(it));</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>        <span class="keywordflow">return</span> tmp -= n;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>    }</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>    </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>    <span class="keyword">friend</span> I operator + (difference_type n, random_access_iterator_base <span class="keyword">const</span>&amp; it) {</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>        I tmp(<span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I&amp;<span class="keyword">&gt;</span>(it));</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>        <span class="keywordflow">return</span> tmp += n;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>    }</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>    <span class="keyword">friend</span> I operator - (difference_type n, random_access_iterator_base <span class="keyword">const</span>&amp; it) {</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>        I tmp(<span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I&amp;<span class="keyword">&gt;</span>(it));</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>        <span class="keywordflow">return</span> tmp -= n;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>    }</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>};</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment">//arithmetic for random_access_iterators</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> I, <span class="keyword">class</span> T, <span class="keyword">class</span> Tag&gt;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>I operator ++ (random_access_iterator_base&lt;I,T,Tag&gt;&amp; it,<span class="keywordtype">int</span>) {</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>    I&amp; d = <span class="keyword">static_cast&lt;</span>I&amp;<span class="keyword">&gt;</span>(it);</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>    I tmp(d);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>    ++ d;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>    <span class="keywordflow">return</span> tmp;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>}</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> I, <span class="keyword">class</span> T, <span class="keyword">class</span> Tag&gt;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>I operator -- (random_access_iterator_base&lt;I,T,Tag&gt;&amp; it,<span class="keywordtype">int</span>) {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>    I&amp; d = <span class="keyword">static_cast&lt;</span>I&amp;<span class="keyword">&gt;</span>(it);</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>    I tmp(d);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>    -- d;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>    <span class="keywordflow">return</span> tmp;</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>}</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment">// Comparison of random_access_iterators</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> I1, <span class="keyword">class</span> T1, <span class="keyword">class</span> I2, <span class="keyword">class</span> T2, <span class="keyword">class</span> Tag&gt;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="keywordtype">bool</span> operator != (</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    random_access_iterator_base&lt;I1,T1,Tag&gt; <span class="keyword">const</span>&amp; it1, </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>    random_access_iterator_base&lt;I2,T2,Tag&gt; <span class="keyword">const</span>&amp; it2</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>){</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    I1 <span class="keyword">const</span>&amp; d1 = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I1&amp;<span class="keyword">&gt;</span>(it1);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    I2 <span class="keyword">const</span>&amp; d2 = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I2&amp;<span class="keyword">&gt;</span>(it2);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>    </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>    <span class="keywordflow">return</span> !(d1 == d2);</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>}</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> I1, <span class="keyword">class</span> T1, <span class="keyword">class</span> I2, <span class="keyword">class</span> T2, <span class="keyword">class</span> Tag&gt;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="keywordtype">bool</span> operator &lt;= (</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>    random_access_iterator_base&lt;I1,T1,Tag&gt; <span class="keyword">const</span>&amp; it1, </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>    random_access_iterator_base&lt;I2,T2,Tag&gt; <span class="keyword">const</span>&amp; it2</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>){</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>    I1 <span class="keyword">const</span>&amp; d1 = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I1&amp;<span class="keyword">&gt;</span>(it1);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>    I2 <span class="keyword">const</span>&amp; d2 = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I2&amp;<span class="keyword">&gt;</span>(it2);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>    </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    <span class="keywordflow">return</span> !(d2 &lt; d1);</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>}</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> I1, <span class="keyword">class</span> T1, <span class="keyword">class</span> I2, <span class="keyword">class</span> T2, <span class="keyword">class</span> Tag&gt;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="keywordtype">bool</span> operator &gt;= (</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    random_access_iterator_base&lt;I1,T1,Tag&gt; <span class="keyword">const</span>&amp; it1, </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>    random_access_iterator_base&lt;I2,T2,Tag&gt; <span class="keyword">const</span>&amp; it2</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>){</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    I1 <span class="keyword">const</span>&amp; d1 = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I1&amp;<span class="keyword">&gt;</span>(it1);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>    I2 <span class="keyword">const</span>&amp; d2 = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I2&amp;<span class="keyword">&gt;</span>(it2);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>    </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>    <span class="keywordflow">return</span> !(d1 &lt; d2);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>}</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> I1, <span class="keyword">class</span> T1, <span class="keyword">class</span> I2, <span class="keyword">class</span> T2, <span class="keyword">class</span> Tag&gt;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="keywordtype">bool</span> operator &gt; (</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>    random_access_iterator_base&lt;I1,T1,Tag&gt; <span class="keyword">const</span>&amp; it1, </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>    random_access_iterator_base&lt;I2,T2,Tag&gt; <span class="keyword">const</span>&amp; it2</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>){</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>    I1 <span class="keyword">const</span>&amp; d1 = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I1&amp;<span class="keyword">&gt;</span>(it1);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>    I2 <span class="keyword">const</span>&amp; d2 = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>I2&amp;<span class="keyword">&gt;</span>(it2);</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span> </div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>    <span class="keywordflow">return</span> d2 &lt; d1;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>}</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment">//traits lass for choosing the right base for wrapping iterators</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> Closure&gt;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="keyword">class </span>indexed_iterator:</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>    <span class="keyword">public</span> random_access_iterator_base&lt;</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>        indexed_iterator&lt;Closure&gt;,</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>        typename Closure::value_type,</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>        dense_random_access_iterator_tag</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>    &gt; {</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>    <span class="keyword">typedef</span> std::size_t size_type;</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>    <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> Closure::value_type value_type;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> std::conditional&lt;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>        std::is_const&lt;Closure&gt;::value,</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>        <span class="keyword">typename</span> Closure::const_reference,</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>        <span class="keyword">typename</span> Closure::reference</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>    &gt;::type reference;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>    <span class="comment">// Construction and destruction</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>    indexed_iterator(){}</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>    indexed_iterator(Closure container, size_type index)</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>    : m_index(index), m_closure(container) {}</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>        </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> C&gt;</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>    indexed_iterator(indexed_iterator&lt;C&gt; <span class="keyword">const</span>&amp; iterator)</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>    : m_index(iterator.m_index), m_closure(iterator.m_closure) {}</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>    <span class="comment">// Arithmetic</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>    indexed_iterator&amp; operator++() {</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>        ++m_index;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>    }</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>    indexed_iterator&amp; operator--() {</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>        --m_index;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>    }</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>    indexed_iterator&amp; operator += (difference_type n) {</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>        m_index += n;</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>    }</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>    indexed_iterator&amp; operator -= (difference_type n) {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>        m_index -= n;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>    }</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>    difference_type operator - (indexed_iterator&lt;T&gt; <span class="keyword">const</span>&amp; it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>        <span class="keywordflow">return</span> m_index - it.m_index;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>    }</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>    <span class="comment">// Dereference</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>    reference operator *()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>        REMORA_RANGE_CHECK(m_index &lt; m_closure.size());</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>        <span class="keywordflow">return</span> m_closure(m_index);</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>    }</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>    reference operator [](difference_type n)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>        REMORA_RANGE_CHECK(m_index+n &lt; m_closure.size());</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>        <span class="keywordflow">return</span> m_closure(m_index+n);</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>    }</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>    <span class="comment">// Index</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>    size_type index()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>        <span class="keywordflow">return</span> m_index;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>    }</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>    <span class="comment">// Assignment</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>    indexed_iterator &amp;operator = (indexed_iterator&lt;T&gt; <span class="keyword">const</span>&amp; it) {</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>        m_closure = it.m_closure;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>        m_index = it.m_index;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>    }</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>    <span class="comment">// Comparison</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>    <span class="keywordtype">bool</span> operator == (indexed_iterator&lt;T&gt; <span class="keyword">const</span>&amp; it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>        <span class="keywordflow">return</span> m_index == it.m_index;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>    }</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>    <span class="keywordtype">bool</span> operator &lt; (indexed_iterator&lt;T&gt; <span class="keyword">const</span>&amp; it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>        <span class="keywordflow">return</span> m_index &lt; it.m_index;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>    }</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span> </div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>    size_type m_index;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>    Closure m_closure;</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span>&gt; <span class="keyword">friend</span> <span class="keyword">class </span>indexed_iterator;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>};</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> Tag=dense_random_access_iterator_tag&gt;</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="keyword">class </span>dense_storage_iterator:</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="keyword">public</span> random_access_iterator_base&lt;</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>    dense_storage_iterator&lt;T,Tag&gt;,</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>    typename std::remove_const&lt;T&gt;::type, </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>    Tag</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>&gt;{</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>    <span class="keyword">typedef</span> std::size_t size_type;</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>    <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> std::remove_const&lt;T&gt;::type value_type;</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>    <span class="keyword">typedef</span> T&amp; reference;</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>    <span class="keyword">typedef</span> T* pointer;</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>    <span class="comment">// Construction</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>    dense_storage_iterator():m_pos(0),m_index(0) {}</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>    dense_storage_iterator(pointer pos, size_type index, difference_type stride = 1)</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>    :m_pos(pos), m_index(index), m_stride(stride) {}</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>    </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt;</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>    dense_storage_iterator(dense_storage_iterator&lt;U,Tag&gt; <span class="keyword">const</span>&amp; iter)</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>    :m_pos(iter.m_pos), m_index(iter.m_index), m_stride(iter.m_stride){}</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>        </div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt;</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>    dense_storage_iterator&amp; operator=(dense_storage_iterator&lt;U,Tag&gt; <span class="keyword">const</span>&amp; iter){</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>        m_pos = iter.m_pos;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>        m_index = iter.m_index;</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>        m_stride = iter.m_stride;</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>    }</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span> </div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>    <span class="comment">// Arithmetic</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>    dense_storage_iterator&amp; operator ++ () {</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>        ++m_index;</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>        m_pos += m_stride;</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>    }</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>    dense_storage_iterator&amp; operator -- () {</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>        --m_index;</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>        m_pos -= m_stride;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>    }</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>    dense_storage_iterator&amp; operator += (difference_type n) {</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>        m_index += n;</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>        m_pos += n*m_stride;</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>    }</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>    dense_storage_iterator&amp; operator -= (difference_type n) {</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>        m_index -= n;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>        m_pos -= n*m_stride;</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>    }</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt;</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>    difference_type operator - (dense_storage_iterator&lt;U,Tag&gt; <span class="keyword">const</span>&amp; it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>        <span class="comment">//REMORA_RANGE_CHECK(m_pos == it.m_pos);</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>        <span class="keywordflow">return</span> (difference_type)m_index - (difference_type)it.m_index;</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>    }</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>    <span class="comment">// Dereference</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>    reference operator*()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>        <span class="keywordflow">return</span> *m_pos;</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>    }</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>    reference operator [](difference_type n)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>        <span class="keywordflow">return</span> m_pos[m_stride*n];</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>    }</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span> </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>    <span class="comment">// Index</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>    size_type index()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>        <span class="keywordflow">return</span> m_index;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>    }</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>    <span class="comment">// Comparison</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt;</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>    <span class="keywordtype">bool</span> operator == (dense_storage_iterator&lt;U,Tag&gt; <span class="keyword">const</span>&amp; it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>        <span class="comment">//REMORA_RANGE_CHECK(m_pos == it.m_pos);</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>        <span class="comment">//~ REMORA_RANGE_CHECK(m_index &lt; it.m_index);</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>        <span class="keywordflow">return</span> m_index == it.m_index;</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>    }</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt;</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>    <span class="keywordtype">bool</span> operator &lt;  (dense_storage_iterator&lt;U,Tag&gt; <span class="keyword">const</span>&amp; it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>        <span class="comment">//REMORA_RANGE_CHECK(m_pos == it.m_pos);</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>        <span class="keywordflow">return</span> m_index &lt; it.m_index;</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>    }</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span> </div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>    pointer m_pos;</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>    size_type m_index;</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>    difference_type m_stride;</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span>,<span class="keyword">class</span>&gt; <span class="keyword">friend</span> <span class="keyword">class </span>dense_storage_iterator;</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>};</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> I&gt;</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span><span class="keyword">class </span>compressed_storage_iterator:</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span><span class="keyword">public</span> random_access_iterator_base&lt;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>    compressed_storage_iterator&lt;T,I&gt;,</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>    typename std::remove_const&lt;T&gt;::type, </div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>    sparse_random_access_iterator_tag</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>&gt;{</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> std::remove_const&lt;T&gt;::type value_type;</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> std::remove_const&lt;I&gt;::type size_type;</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>    <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>    <span class="keyword">typedef</span> T&amp; reference;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>    <span class="keyword">typedef</span> T* pointer;</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>    <span class="comment">// Construction and Assignment</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>    compressed_storage_iterator() {}</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>    compressed_storage_iterator(</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>        T* value_array, I* index_array, </div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>        size_type position, size_type major_pos = 0</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>    )</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>    : m_values(value_array),m_indices(index_array)</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>    , m_position(position), m_major_pos(major_pos){}</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>        </div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U,<span class="keyword">class</span> V&gt;</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>    compressed_storage_iterator(compressed_storage_iterator&lt;U,V&gt; <span class="keyword">const</span>&amp; it) {</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>        m_position = it.m_position;</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>        m_major_pos = it.m_major_pos;</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>        m_values = it.m_values;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>        m_indices = it.m_indices;</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>    }</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span> </div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U,<span class="keyword">class</span> V&gt;</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>    compressed_storage_iterator &amp;operator = (compressed_storage_iterator&lt;U,V&gt; <span class="keyword">const</span>&amp; it) {</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>        m_position = it.m_position;</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>        m_major_pos = it.m_major_pos;</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>        m_values = it.m_values;</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>        m_indices = it.m_indices;</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>    }</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span> </div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>    <span class="comment">// Arithmetic</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>    compressed_storage_iterator &amp;operator++ () {</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>        ++m_position;</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>    }</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>    compressed_storage_iterator &amp;operator -- () {</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>        REMORA_RANGE_CHECK(m_position &gt; 0);</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>        --m_position;</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>    }</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>    </div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span>    compressed_storage_iterator &amp;operator += (difference_type n) {</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>        m_position += n;</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>    }</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>    compressed_storage_iterator &amp;operator -= (difference_type n) {</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>        m_position -= n;</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>    }</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span> </div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span>    <span class="comment">// Dereference</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>    reference operator* ()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span>        <span class="keywordflow">return</span> m_values[m_position];</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span>    }</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>    reference operator [](difference_type n)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>        <span class="keywordflow">return</span> m_values[m_position+n];</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>    }</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>    size_type index()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>        <span class="keywordflow">return</span> m_indices[m_position];</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>    }</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>    </div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U,<span class="keyword">class</span> V&gt;</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>    difference_type operator - (compressed_storage_iterator&lt;U,V&gt; <span class="keyword">const</span>&amp; it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>        REMORA_RANGE_CHECK(m_values == it.m_values);</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>        REMORA_RANGE_CHECK(m_indices == it.m_indices);</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>        <span class="keywordflow">return</span> difference_type(m_position) - difference_type(it.m_position);</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>    }</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>    </div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>    size_type major_index()<span class="keyword">const</span>{</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>        <span class="keywordflow">return</span> m_major_pos;</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>    }</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span> </div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> U,<span class="keyword">class</span> V&gt;</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>    <span class="keywordtype">bool</span> operator == (compressed_storage_iterator&lt;U,V&gt; <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>        REMORA_RANGE_CHECK(m_values == it.m_values);</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>        REMORA_RANGE_CHECK(m_indices == it.m_indices);</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>        <span class="keywordflow">return</span> m_position == it.m_position;</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span>    }</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span> </div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span>    T* m_values;</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>    I* m_indices;</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>    std::size_t m_position;</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span>    std::size_t m_major_pos;</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span>,<span class="keyword">class</span>&gt; <span class="keyword">friend</span> <span class="keyword">class </span>compressed_storage_iterator;</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>};</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span> </div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span> </div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span> </div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span><span class="keyword">class </span>constant_iterator:</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span><span class="keyword">public</span> random_access_iterator_base&lt;</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span>    constant_iterator&lt;T&gt;,</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span>    typename std::remove_const&lt;T&gt;::type,</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>    dense_random_access_iterator_tag</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span>&gt;{</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>    <span class="keyword">typedef</span> std::size_t size_type;</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span>    <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>    <span class="keyword">typedef</span> T value_type;</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span>    <span class="keyword">typedef</span> value_type <span class="keyword">const</span> &amp;reference;</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span>    <span class="keyword">typedef</span> value_type <span class="keyword">const</span> *pointer;</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span> </div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>    <span class="comment">// Construction and destruction</span></div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>    constant_iterator() {}</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>    constant_iterator(value_type value, size_type position)</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>        :m_position(position),m_value(value) {}</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span> </div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>    <span class="comment">// Arithmetic</span></div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>    constant_iterator &amp;operator ++ () {</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>        ++ m_position;</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>    }</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>    constant_iterator &amp;operator -- () {</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>        -- m_position;</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>    }</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>    constant_iterator &amp;operator += (difference_type n) {</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>        m_position += n;</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>    }</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span>    constant_iterator &amp;operator -= (difference_type n) {</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>        m_position -= n;</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>    }</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>    difference_type operator - (constant_iterator <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>        <span class="keywordflow">return</span> m_position - it.m_position;</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>    }</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span> </div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>    <span class="comment">// Dereference</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span>    reference operator * ()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>        <span class="keywordflow">return</span> m_value;</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span>    }</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span>    reference operator [](difference_type n)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span>        <span class="keywordflow">return</span> m_value;</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span>    }</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span> </div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span>    <span class="comment">// Indices</span></div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span>    size_type index()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>        <span class="keywordflow">return</span> m_position;</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>    }</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span> </div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span>    <span class="comment">// Assignment</span></div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> Iter&gt;</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>    constant_iterator &amp;operator = (constant_iterator <span class="keyword">const</span> &amp;it) {</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>        m_position = it.m_position;</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>        m_value = it.m_value;</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>    }</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span> </div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>    <span class="comment">// Comparison</span></div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>    <span class="keywordtype">bool</span> operator == (constant_iterator <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>        <span class="keywordflow">return</span> m_position == it.m_position;</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>    }</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>    <span class="keywordtype">bool</span> operator &lt; (constant_iterator <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>        <span class="keywordflow">return</span> m_position &lt; it.m_position;</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span>    }</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>    size_type m_position;</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>    value_type m_value;</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span>};</div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span> </div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> BaseIterator, <span class="keyword">class</span> F&gt;</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span><span class="keyword">class </span>transform_iterator:</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span><span class="keyword">public</span> random_access_iterator_base&lt;</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>    transform_iterator&lt;BaseIterator,F&gt;, </div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span>    typename BaseIterator::value_type,</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>    typename BaseIterator::iterator_category</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span>&gt;{</div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> BaseIterator::iterator_category iterator_category;</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>    <span class="keyword">typedef</span> std::size_t size_type;</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>    <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> std::result_of&lt;F(<span class="keyword">typename</span> BaseIterator::value_type)&gt;::type value_type;</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span>    <span class="keyword">typedef</span> value_type reference;</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>    <span class="keyword">typedef</span> value_type *pointer;</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span> </div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span>    <span class="comment">// Construction and destruction</span></div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span>    transform_iterator() {}</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span>    transform_iterator(BaseIterator <span class="keyword">const</span> &amp;it,F functor)</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span>        :m_position(it),m_functor(functor) {}</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span> </div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>    <span class="comment">// Arithmetic</span></div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>    transform_iterator &amp;operator ++ () {</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span>        ++ m_position;</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span>    }</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span>    transform_iterator &amp;operator -- () {</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span>        -- m_position;</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>    }</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>    transform_iterator &amp;operator += (difference_type n) {</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>        m_position += n;</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span>    }</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>    transform_iterator &amp;operator -= (difference_type n) {</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>        m_position -= n;</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>    }</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span>    difference_type operator - (transform_iterator <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span>        <span class="keywordflow">return</span> m_position - it.m_position;</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>    }</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span> </div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span>    <span class="comment">// Dereference</span></div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>    reference operator * ()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>        <span class="keywordflow">return</span> m_functor(*m_position);</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>    }</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span>    reference operator [](difference_type n)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>        <span class="keywordflow">return</span> *(*<span class="keyword">this</span> + n);</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span>    }</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span> </div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>    <span class="comment">// Indices</span></div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span>    size_type index()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>        <span class="keywordflow">return</span> m_position.index();</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span>    }</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span> </div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span>    <span class="comment">// Assignment</span></div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> Iter&gt;</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span>    transform_iterator &amp;operator = (transform_iterator&lt;Iter,F&gt; <span class="keyword">const</span> &amp;it) {</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span>        m_position = it.m_position;</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span>        m_functor = it.m_functor;</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span>    }</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span> </div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span>    <span class="comment">// Comparison</span></div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span>    <span class="keywordtype">bool</span> operator == (transform_iterator <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span>        <span class="keywordflow">return</span> m_position == it.m_position;</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span>    }</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span>    <span class="keywordtype">bool</span> operator &lt; (transform_iterator <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span>        <span class="keywordflow">return</span> m_position &lt; it.m_position;</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span>    }</div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span> </div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span>    BaseIterator m_position;</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span>    F m_functor;</div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span>};</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span> </div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span><span class="keyword">class </span>one_hot_iterator:<span class="keyword">public</span> random_access_iterator_base&lt;</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span>    one_hot_iterator&lt;T&gt;, T, sparse_random_access_iterator_tag</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span>&gt; {</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span>    <span class="keyword">typedef</span> T value_type;</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span>    <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span>    <span class="keyword">typedef</span> std::size_t size_type;</div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span>    <span class="keyword">typedef</span> T&amp; reference;</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span>    <span class="keyword">typedef</span> T <span class="keyword">const</span>&amp; const_reference;</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span>    <span class="keyword">typedef</span> value_type <span class="keyword">const</span>* pointer;</div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno">  578</span> </div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno">  579</span>    <span class="comment">// Construction and destruction</span></div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno">  580</span>    one_hot_iterator(){}</div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span>    one_hot_iterator(size_type index, value_type value, <span class="keywordtype">bool</span> isEnd)</div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno">  582</span>        :m_index(index),m_value(value),m_isEnd(isEnd){}</div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span> </div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span>    <span class="comment">// Arithmetic</span></div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span>    one_hot_iterator&amp; operator ++ () {</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span>        m_isEnd = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno">  587</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span>    }</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span>    one_hot_iterator&amp; operator -- () {</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span>        m_isEnd = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno">  592</span>    }</div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span>    one_hot_iterator &amp;operator += (difference_type n) {</div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno">  594</span>        m_isEnd += n;</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span>    }</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno">  597</span>    one_hot_iterator &amp;operator -= (difference_type n) {</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno">  598</span>        m_isEnd -= n;</div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno">  599</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno">  600</span>    }</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno">  601</span>    </div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno">  602</span> </div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno">  603</span>    <span class="comment">// Dereference</span></div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno">  604</span>    reference operator*()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno">  605</span>        <span class="keywordflow">return</span> m_value;</div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno">  606</span>    }</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno">  607</span> </div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno">  608</span>    <span class="comment">// Indices</span></div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno">  609</span>    size_type index()<span class="keyword"> const</span>{</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno">  610</span>        <span class="keywordflow">return</span> m_index;</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno">  611</span>    }</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno">  612</span>    difference_type operator - (one_hot_iterator <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno">  613</span>        <span class="keywordflow">return</span> m_isEnd - it.m_isEnd;</div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno">  614</span>    }</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno">  615</span> </div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno">  616</span>    <span class="comment">// Assignment</span></div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno">  617</span>    one_hot_iterator&amp; operator = (one_hot_iterator <span class="keyword">const</span>&amp; it) {</div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno">  618</span>        m_index = it.m_index;</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno">  619</span>        m_value = it.m_value;</div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno">  620</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno">  621</span>    }</div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno">  622</span> </div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno">  623</span>    <span class="comment">// Comparison</span></div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno">  624</span>    <span class="keywordtype">bool</span> operator == (one_hot_iterator <span class="keyword">const</span>&amp; it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno">  625</span>        REMORA_RANGE_CHECK(m_index == it.m_index);</div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno">  626</span>        <span class="keywordflow">return</span> m_isEnd == it.m_isEnd;</div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno">  627</span>    }</div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno">  628</span>    <span class="keywordtype">bool</span> operator &lt; (one_hot_iterator <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno">  629</span>        <span class="keywordflow">return</span> m_isEnd &lt; it.m_isEnd;</div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno">  630</span>    }</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno">  631</span> </div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno">  632</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno">  633</span>    size_type m_index;</div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno">  634</span>    value_type m_value;</div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno">  635</span>    <span class="keywordtype">bool</span> m_isEnd;</div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno">  636</span>};</div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno">  637</span> </div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno">  638</span> </div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno">  639</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> I1, <span class="keyword">class</span> I2&gt;</div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno">  640</span><span class="keyword">struct </span>iterator_restrict_traits {</div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno">  641</span>    <span class="keyword">typedef</span> I1 iterator_category;</div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno">  642</span>};</div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno">  643</span> </div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno">  644</span><span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno">  645</span><span class="keyword">struct </span>iterator_restrict_traits&lt;dense_random_access_iterator_tag, sparse_random_access_iterator_tag&gt; {</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno">  646</span>    <span class="keyword">typedef</span> sparse_random_access_iterator_tag iterator_category;</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno">  647</span>};</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno">  648</span> </div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno">  649</span><span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno">  650</span><span class="keyword">struct </span>iterator_restrict_traits&lt;packed_random_access_iterator_tag,dense_random_access_iterator_tag&gt; {</div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno">  651</span>    <span class="keyword">typedef</span> dense_random_access_iterator_tag iterator_category;</div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno">  652</span>};</div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno">  653</span> </div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno">  654</span><span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno">  655</span><span class="keyword">struct </span>iterator_restrict_traits&lt;packed_random_access_iterator_tag,sparse_random_access_iterator_tag&gt; {</div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno">  656</span>    <span class="keyword">typedef</span> sparse_random_access_iterator_tag iterator_category;</div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno">  657</span>};</div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno">  658</span> </div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno">  659</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> Iterator1, <span class="keyword">class</span> Iterator2, <span class="keyword">class</span> F&gt;</div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno">  660</span><span class="keyword">class </span>binary_transform_iterator:</div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno">  661</span><span class="keyword">public</span> random_access_iterator_base&lt;</div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno">  662</span>    binary_transform_iterator&lt;Iterator1,Iterator2,F&gt;,</div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno">  663</span>    typename std::result_of&lt;F(typename Iterator1::value_type, typename Iterator2::value_type)&gt;::type,</div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno">  664</span>    typename iterator_restrict_traits&lt;</div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno">  665</span>        typename Iterator1::iterator_category,</div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno">  666</span>        typename Iterator2::iterator_category</div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno">  667</span>    &gt;::iterator_category</div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno">  668</span>&gt;{</div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno">  669</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno">  670</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> Iterator1::iterator_category category1;</div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno">  671</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> Iterator2::iterator_category category2;</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno">  672</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno">  673</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> iterator_restrict_traits&lt;</div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno">  674</span>        category1,</div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno">  675</span>        category2</div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno">  676</span>    &gt;::iterator_category iterator_category;</div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno">  677</span>    <span class="keyword">typedef</span> std::size_t size_type;</div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno">  678</span>    <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno">  679</span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> std::result_of&lt;F(<span class="keyword">typename</span> Iterator1::value_type, <span class="keyword">typename</span> Iterator2::value_type)&gt;::type value_type;</div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno">  680</span>    <span class="keyword">typedef</span> value_type reference;</div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno">  681</span>    <span class="keyword">typedef</span> value_type *pointer;</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno">  682</span> </div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno">  683</span>    <span class="comment">// Construction and destruction</span></div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno">  684</span>    binary_transform_iterator() {}</div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno">  685</span>    binary_transform_iterator(</div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno">  686</span>        F functor,</div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno">  687</span>        Iterator1 <span class="keyword">const</span> &amp;it1, Iterator1 <span class="keyword">const</span> &amp;end1,</div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno">  688</span>        Iterator2 <span class="keyword">const</span> &amp;it2, Iterator2 <span class="keyword">const</span> &amp;end2</div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno">  689</span>    ):m_index(0)</div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno">  690</span>    , m_iterator1(it1), m_end1(end1)</div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno">  691</span>    , m_iterator2(it2), m_end2(end2)</div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno">  692</span>    , m_functor(functor) </div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno">  693</span>    {</div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno">  694</span>        <span class="comment">//ensure that both iterators start at a valid location</span></div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno">  695</span>        ensureValidPosition(category1(),category2());</div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno">  696</span>        </div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno">  697</span>        <span class="comment">//we can&#39;t get the correct index for end iterators</span></div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno">  698</span>        <span class="keywordflow">if</span>(m_iterator1 != end1 &amp;&amp; m_iterator2 != end2)</div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno">  699</span>            m_index = std::min(m_iterator1.index(),m_iterator2.index());</div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno">  700</span>        </div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno">  701</span>        </div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno">  702</span>    }</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno">  703</span> </div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno">  704</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno">  705</span>    <span class="comment">//we need to handle all specializations independently from each other</span></div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno">  706</span>    </div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno">  707</span>    <span class="comment">// Dense specializations are easy</span></div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno">  708</span>    <span class="keywordtype">void</span> ensureValidPosition(</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno">  709</span>        dense_random_access_iterator_tag,</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno">  710</span>        dense_random_access_iterator_tag</div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno">  711</span>    ){}</div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno">  712</span>    <span class="keywordtype">void</span> increment(</div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno">  713</span>        dense_random_access_iterator_tag,</div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno">  714</span>        dense_random_access_iterator_tag</div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno">  715</span>    ) {</div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno">  716</span>        ++ m_index;</div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno">  717</span>        ++ m_iterator1;</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno">  718</span>        ++ m_iterator2;</div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno">  719</span>    }</div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno">  720</span>    <span class="keywordtype">void</span> decrement(</div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno">  721</span>        dense_random_access_iterator_tag,</div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno">  722</span>        dense_random_access_iterator_tag</div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno">  723</span>    ) {</div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno">  724</span>        -- m_index;</div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno">  725</span>        -- m_iterator1;</div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno">  726</span>        -- m_iterator2;</div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno">  727</span>    }</div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno">  728</span>    <span class="keywordtype">void</span> increment(</div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno">  729</span>        dense_random_access_iterator_tag,</div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno">  730</span>        dense_random_access_iterator_tag, </div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno">  731</span>        difference_type n</div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno">  732</span>    ) {</div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno">  733</span>        m_index += n;</div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno">  734</span>        m_iterator1 += n;</div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno">  735</span>        m_iterator2 += n;</div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno">  736</span>    }</div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno">  737</span>    value_type dereference(</div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno">  738</span>        dense_random_access_iterator_tag,</div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno">  739</span>        dense_random_access_iterator_tag</div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno">  740</span>    )<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno">  741</span>        <span class="keywordflow">return</span> m_functor(*m_iterator1, *m_iterator2);</div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno">  742</span>    }</div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno">  743</span> </div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno">  744</span>    <span class="comment">// Sparse specializations</span></div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno">  745</span>    <span class="keywordtype">void</span> ensureValidPosition(</div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno">  746</span>        sparse_random_access_iterator_tag,</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno">  747</span>        sparse_random_access_iterator_tag</div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno">  748</span>    ){</div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno">  749</span>        <span class="comment">//ensure that both iterators point to the same index</span></div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno">  750</span>        <span class="keywordflow">if</span>(F::left_zero_remains || F::right_zero_remains){</div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno">  751</span>            <span class="keywordflow">while</span>(</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno">  752</span>                m_iterator1 != m_end1 &amp;&amp; m_iterator2 != m_end2 </div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno">  753</span>                &amp;&amp; m_iterator1.index() != m_iterator2.index()</div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno">  754</span>            ){</div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno">  755</span>                <span class="keywordflow">if</span>(m_iterator1.index() &lt; m_iterator2.index())</div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno">  756</span>                    ++m_iterator1;</div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno">  757</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno">  758</span>                    ++m_iterator2;</div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno">  759</span>            }</div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno">  760</span>            <span class="keywordflow">if</span>( m_iterator1 == m_end1 || m_iterator2 == m_end2){</div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno">  761</span>                m_iterator2 = m_end2;</div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno">  762</span>                m_iterator1 = m_end1;</div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno">  763</span>            }</div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno">  764</span>        }</div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno">  765</span>    }</div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno">  766</span>    <span class="keywordtype">void</span> increment(</div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno">  767</span>        sparse_random_access_iterator_tag,</div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno">  768</span>        sparse_random_access_iterator_tag</div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno">  769</span>    ) {</div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno">  770</span>        <span class="keywordflow">if</span>(F::left_zero_remains || F::right_zero_remains){</div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno">  771</span>            ++ m_iterator1;</div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno">  772</span>            ++ m_iterator2;</div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno">  773</span>            ensureValidPosition(category1(),category2());</div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno">  774</span>        }<span class="keywordflow">else</span>{</div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno">  775</span>            <span class="keywordflow">if</span> (m_iterator1 != m_end1 &amp;&amp; m_iterator2 != m_end2){</div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno">  776</span>                <span class="keywordflow">if</span>( m_iterator1.index() == m_iterator2.index()){</div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno">  777</span>                    ++ m_iterator1;</div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno">  778</span>                    ++ m_iterator2;</div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno">  779</span>                }</div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno">  780</span>                <span class="keywordflow">else</span> <span class="keywordflow">if</span>(m_iterator1.index() &lt; m_iterator2.index())</div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno">  781</span>                    ++m_iterator1;</div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno">  782</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno">  783</span>                    ++m_iterator2;</div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno">  784</span>            }<span class="keywordflow">else</span> <span class="keywordflow">if</span>(m_iterator1 != m_end1){</div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno">  785</span>                ++ m_iterator1;</div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno">  786</span>            }<span class="keywordflow">else</span>{</div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno">  787</span>                ++ m_iterator2;</div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno">  788</span>            }</div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno">  789</span>        }</div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno">  790</span>        size_type index1 = std::numeric_limits&lt;size_type&gt;::max();</div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno">  791</span>        size_type index2 = std::numeric_limits&lt;size_type&gt;::max();</div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno">  792</span>        <span class="keywordflow">if</span>(m_iterator1 != m_end1)</div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno">  793</span>            index1 = m_iterator1.index();</div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno">  794</span>        <span class="keywordflow">if</span>(m_iterator2 != m_end2)</div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno">  795</span>            index2 = m_iterator2.index();</div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno">  796</span>        </div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno">  797</span>        m_index = std::min(index1, index2);</div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno">  798</span>    }</div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno">  799</span>    <span class="keywordtype">void</span> decrement(</div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno">  800</span>        sparse_random_access_iterator_tag,</div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno">  801</span>        sparse_random_access_iterator_tag</div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno">  802</span>    ) {</div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno">  803</span>        <span class="keywordflow">if</span> (m_index &lt;= m_iterator1.index())</div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno">  804</span>            -- m_iterator1;</div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno">  805</span>        <span class="keywordflow">if</span> (m_index &lt;= m_iterator2.index())</div>
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno">  806</span>            -- m_iterator2;</div>
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno">  807</span>        m_index = std::max(m_iterator1.index(), m_iterator2.index());</div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno">  808</span>    }</div>
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno">  809</span>    <span class="keywordtype">void</span> increment(</div>
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno">  810</span>        sparse_random_access_iterator_tag, </div>
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno">  811</span>        sparse_random_access_iterator_tag, </div>
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno">  812</span>        difference_type n</div>
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno">  813</span>    ) {</div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno">  814</span>        <span class="keywordflow">while</span> (n &gt; 0) {</div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno">  815</span>            increment(category1(),category2());</div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno">  816</span>            --n;</div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno">  817</span>        }</div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno">  818</span>        <span class="keywordflow">while</span> (n &lt; 0) {</div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno">  819</span>            decrement(category1(),category2());</div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno">  820</span>            ++n;</div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno">  821</span>        }</div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno">  822</span>    }</div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno">  823</span>    value_type dereference(</div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno">  824</span>        sparse_random_access_iterator_tag,</div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno">  825</span>        sparse_random_access_iterator_tag</div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno">  826</span>    )<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno">  827</span>        value_type t1 = value_type<span class="comment">/*zero*/</span>();</div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno">  828</span>        <span class="keywordflow">if</span> (m_iterator1 != m_end1 &amp;&amp; m_iterator1.index() == m_index)</div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno">  829</span>            t1 = *m_iterator1;</div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno">  830</span>        value_type t2 = value_type<span class="comment">/*zero*/</span>();</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno">  831</span>        <span class="keywordflow">if</span> (m_iterator2 != m_end2 &amp;&amp; m_iterator2.index() == m_index)</div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno">  832</span>            t2 = *m_iterator2;</div>
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno">  833</span>        <span class="keywordflow">return</span> m_functor(t1, t2);</div>
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno">  834</span>    }</div>
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno">  835</span>    </div>
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno">  836</span>    <span class="comment">//dense-sparse</span></div>
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno">  837</span>    <span class="comment">// Sparse specializations</span></div>
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno">  838</span>    <span class="keywordtype">void</span> ensureValidPosition(</div>
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno">  839</span>        dense_random_access_iterator_tag,</div>
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno">  840</span>        sparse_random_access_iterator_tag</div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno">  841</span>    ){</div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno">  842</span>        <span class="keywordflow">if</span>(F::right_zero_remains){</div>
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno">  843</span>            m_iterator1 += m_iterator2.index()-m_iterator1.index();</div>
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno">  844</span>        }</div>
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno">  845</span>    }</div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno">  846</span>    </div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno">  847</span>    <span class="keywordtype">void</span> increment(</div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno">  848</span>        dense_random_access_iterator_tag,</div>
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno">  849</span>        sparse_random_access_iterator_tag</div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno">  850</span>    ) {</div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno">  851</span>        <span class="keywordflow">if</span>(F::right_zero_remains){</div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno">  852</span>            ++ m_iterator2;</div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno">  853</span>            m_iterator1 += m_iterator2.index()-m_iterator1.index();</div>
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno">  854</span>        }<span class="keywordflow">else</span>{</div>
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno">  855</span>            <span class="keywordflow">if</span> (m_iterator2 != m_end2){</div>
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno">  856</span>                <span class="keywordflow">if</span>( m_iterator1.index() == m_iterator2.index()){</div>
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno">  857</span>                    ++ m_iterator1;</div>
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno">  858</span>                    ++ m_iterator2;</div>
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno">  859</span>                }</div>
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno">  860</span>                <span class="keywordflow">else</span> <span class="keywordflow">if</span>(m_iterator2.index() &gt; m_iterator1.index())</div>
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno">  861</span>                    ++m_iterator1;</div>
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno">  862</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno">  863</span>                    ++m_iterator2;</div>
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno">  864</span>            }<span class="keywordflow">else</span></div>
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno">  865</span>                ++ m_iterator1;</div>
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno">  866</span>        }</div>
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno">  867</span>        size_type index1 = m_iterator1.index();</div>
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno">  868</span>        size_type index2 = std::numeric_limits&lt;size_type&gt;::max();</div>
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno">  869</span>        <span class="keywordflow">if</span>(m_iterator2 != m_end2)</div>
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno">  870</span>            index2 = m_iterator2.index();</div>
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno">  871</span>        m_index = std::min(index1, index2);</div>
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno">  872</span>    }</div>
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno">  873</span>    <span class="keywordtype">void</span> decrement(</div>
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno">  874</span>        dense_random_access_iterator_tag,</div>
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno">  875</span>        sparse_random_access_iterator_tag</div>
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno">  876</span>    ) {</div>
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno">  877</span>        <span class="keywordflow">if</span>(F::right_zero_remains){</div>
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno">  878</span>            -- m_iterator2;</div>
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno">  879</span>            m_iterator1 -= m_iterator1.index()-m_iterator2.index();</div>
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno">  880</span>        }<span class="keywordflow">else</span>{</div>
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno">  881</span>            <span class="keywordflow">if</span> (m_index &lt;= m_iterator1.index())</div>
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno">  882</span>                -- m_iterator1;</div>
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno">  883</span>            <span class="keywordflow">if</span> (m_index &lt;= m_iterator2.index())</div>
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno">  884</span>                -- m_iterator2;</div>
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno">  885</span>            m_index = std::max(m_iterator1.index(), m_iterator2.index());</div>
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno">  886</span>        }</div>
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno">  887</span>    }</div>
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno">  888</span>    <span class="keywordtype">void</span> increment(</div>
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno">  889</span>        dense_random_access_iterator_tag, </div>
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno">  890</span>        sparse_random_access_iterator_tag, </div>
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno">  891</span>        difference_type n</div>
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno">  892</span>    ) {</div>
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno">  893</span>        <span class="keywordflow">while</span> (n &gt; 0) {</div>
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno">  894</span>            increment(category1(),category2());</div>
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno">  895</span>            --n;</div>
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno">  896</span>        }</div>
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno">  897</span>        <span class="keywordflow">while</span> (n &lt; 0) {</div>
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno">  898</span>            decrement(category1(),category2());</div>
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno">  899</span>            ++n;</div>
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno">  900</span>        }</div>
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno">  901</span>    }</div>
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno">  902</span>    value_type dereference(</div>
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno">  903</span>        dense_random_access_iterator_tag,</div>
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno">  904</span>        sparse_random_access_iterator_tag</div>
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno">  905</span>    )<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno">  906</span>        <span class="keyword">typedef</span> <span class="keyword">typename</span> Iterator2::value_type value_type2;</div>
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno">  907</span>        value_type t2 = value_type2<span class="comment">/*zero*/</span>();</div>
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno">  908</span>        <span class="keywordflow">if</span> (m_iterator2 != m_end2 &amp;&amp; m_iterator2.index() == m_index)</div>
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno">  909</span>            t2 = *m_iterator2;</div>
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno">  910</span>        <span class="keywordflow">return</span> m_functor(*m_iterator1, t2);</div>
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno">  911</span>    }</div>
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno">  912</span>    </div>
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno">  913</span>    <span class="comment">//sparse-dense</span></div>
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno">  914</span>    <span class="keywordtype">void</span> ensureValidPosition(</div>
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno">  915</span>        sparse_random_access_iterator_tag,</div>
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno">  916</span>        dense_random_access_iterator_tag</div>
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno">  917</span>    ){</div>
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno">  918</span>        <span class="keywordflow">if</span>(F::left_zero_remains){</div>
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno">  919</span>            m_iterator2 += m_iterator1.index()-m_iterator2.index();</div>
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno">  920</span>        }</div>
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno">  921</span>    }</div>
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno">  922</span>    <span class="keywordtype">void</span> increment(</div>
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno">  923</span>        sparse_random_access_iterator_tag,</div>
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno">  924</span>        dense_random_access_iterator_tag</div>
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno">  925</span>    ) {</div>
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno">  926</span>        <span class="keywordflow">if</span>(F::left_zero_remains){</div>
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno">  927</span>            ++ m_iterator1;</div>
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno">  928</span>            m_iterator2 += m_iterator1.index()-m_iterator2.index();</div>
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno">  929</span>        }<span class="keywordflow">else</span>{</div>
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno">  930</span>            <span class="keywordflow">if</span> (m_iterator1 != m_end1){</div>
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno">  931</span>                <span class="keywordflow">if</span>( m_iterator1.index() == m_iterator2.index()){</div>
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno">  932</span>                    ++ m_iterator1;</div>
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno">  933</span>                    ++ m_iterator2;</div>
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno">  934</span>                }</div>
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno">  935</span>                <span class="keywordflow">else</span> <span class="keywordflow">if</span>(m_iterator1.index() &gt; m_iterator2.index())</div>
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno">  936</span>                    ++m_iterator2;</div>
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno">  937</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno">  938</span>                    ++m_iterator1;</div>
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno">  939</span>            }<span class="keywordflow">else</span></div>
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno">  940</span>                ++ m_iterator2;</div>
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno">  941</span>        }</div>
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno">  942</span>        size_type index1 = std::numeric_limits&lt;size_type&gt;::max();</div>
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno">  943</span>        size_type index2 = m_iterator2.index();</div>
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno">  944</span>        <span class="keywordflow">if</span>(m_iterator1 != m_end1)</div>
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno">  945</span>            index1 = m_iterator1.index();</div>
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno">  946</span>        m_index = std::min(index1, index2);</div>
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno">  947</span>    }</div>
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno">  948</span>    <span class="keywordtype">void</span> decrement(</div>
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno">  949</span>        sparse_random_access_iterator_tag,</div>
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno">  950</span>        dense_random_access_iterator_tag</div>
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno">  951</span>    ) {</div>
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno">  952</span>        <span class="keywordflow">if</span>(F::left_zero_remains){</div>
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno">  953</span>            -- m_iterator1;</div>
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno">  954</span>            m_iterator2 -= m_iterator2.index()-m_iterator1.index();</div>
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno">  955</span>        }<span class="keywordflow">else</span>{</div>
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno">  956</span>            <span class="keywordflow">if</span> (m_index &lt;= m_iterator2.index())</div>
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno">  957</span>                -- m_iterator2;</div>
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno">  958</span>            <span class="keywordflow">if</span> (m_index &lt;= m_iterator1.index())</div>
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno">  959</span>                -- m_iterator1;</div>
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno">  960</span>            m_index = std::max(m_iterator1.index(), m_iterator2.index());</div>
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno">  961</span>        }</div>
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno">  962</span>    }</div>
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno">  963</span>    <span class="keywordtype">void</span> increment(</div>
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno">  964</span>        sparse_random_access_iterator_tag,</div>
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno">  965</span>        dense_random_access_iterator_tag,</div>
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno">  966</span>        difference_type n</div>
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno">  967</span>    ) {</div>
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno">  968</span>        <span class="keywordflow">while</span> (n &gt; 0) {</div>
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno">  969</span>            increment(category1(),category2());</div>
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno">  970</span>            --n;</div>
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno">  971</span>        }</div>
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno">  972</span>        <span class="keywordflow">while</span> (n &lt; 0) {</div>
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno">  973</span>            decrement(category1(),category2());</div>
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno">  974</span>            ++n;</div>
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno">  975</span>        }</div>
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno">  976</span>    }</div>
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno">  977</span>    value_type dereference(</div>
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno">  978</span>        sparse_random_access_iterator_tag,</div>
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno">  979</span>        dense_random_access_iterator_tag</div>
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno">  980</span>    )<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno">  981</span>        <span class="keyword">typedef</span> <span class="keyword">typename</span> Iterator1::value_type value_type1;</div>
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno">  982</span>        value_type t1 = value_type1<span class="comment">/*zero*/</span>();</div>
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno">  983</span>        <span class="keywordflow">if</span> (m_iterator1 != m_end1 &amp;&amp; m_iterator1.index() == m_index)</div>
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno">  984</span>            t1 = *m_iterator1;</div>
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno">  985</span>        <span class="keywordflow">return</span> m_functor(t1,*m_iterator2);</div>
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno">  986</span>    }</div>
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno">  987</span> </div>
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno">  988</span>    <span class="keyword">public</span>:</div>
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno">  989</span>    <span class="comment">// Arithmetic</span></div>
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno">  990</span>    binary_transform_iterator &amp;operator ++ () {</div>
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno">  991</span>        increment(category1(),category2());</div>
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno">  992</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno">  993</span>    }</div>
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno">  994</span>    binary_transform_iterator &amp;operator -- () {</div>
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno">  995</span>        decrement(category1(),category2());</div>
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno">  996</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno">  997</span>    }</div>
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno">  998</span>    binary_transform_iterator &amp;operator += (difference_type n) {</div>
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno">  999</span>        increment(category1(),category2(), n);</div>
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span>    }</div>
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span>    binary_transform_iterator &amp;operator -= (difference_type n) {</div>
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span>        increment(category1(),category2(), -n);</div>
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span>        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span>    }</div>
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span>    difference_type operator - (<span class="keyword">const</span> binary_transform_iterator &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span>        difference_type diff1 = m_iterator1- it.m_iterator1;</div>
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span>        difference_type diff2 = m_iterator2- it.m_iterator2;</div>
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span>        <span class="keywordflow">return</span> std::abs(diff1) &gt; std::abs(diff2)? diff1:diff2;</div>
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span>    }</div>
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> </div>
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span>    <span class="comment">// Dereference</span></div>
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span>    reference operator * ()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span>        <span class="keywordflow">return</span> dereference(category1(),category2());</div>
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span>    }</div>
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span>    reference operator [](difference_type n)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span>        <span class="keywordflow">return</span> *(*<span class="keyword">this</span> + n);</div>
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span>    }</div>
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> </div>
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span>    <span class="comment">// Index</span></div>
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span>    size_type index()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span>        <span class="keywordflow">return</span> m_index;</div>
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span>    }</div>
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> </div>
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span>    <span class="comment">// Comparison</span></div>
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span>    <span class="keywordtype">bool</span> operator == (binary_transform_iterator <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span>        <span class="keywordflow">return</span> m_iterator1 == it.m_iterator1 &amp;&amp; m_iterator2 == it.m_iterator2;</div>
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span>    }</div>
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span>    <span class="keywordtype">bool</span> operator &lt; (binary_transform_iterator <span class="keyword">const</span> &amp;it)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span>        <span class="keywordflow">return</span> m_iterator1 &lt; it.m_iterator1 || m_iterator2 &lt; it.m_iterator2;</div>
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span>    }</div>
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span>    size_type m_index;</div>
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span>    Iterator1 m_iterator1;</div>
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span>    Iterator1 m_end1;</div>
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span>    Iterator2 m_iterator2;</div>
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span>    Iterator2 m_end2;</div>
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span>    F m_functor;</div>
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span>};</div>
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> </div>
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span>}}</div>
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> </div>
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span><span class="preprocessor">#endif</span></div>
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